47390479 has 4 divisors (see below), whose sum is σ = 47413080. Its totient is φ = 47367880.

The previous prime is 47390477. The next prime is 47390501. The reversal of 47390479 is 97409374.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47390479 - 2¹ = 47390477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47390477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7792 + ... + 12469.

It is an arithmetic number, because the mean of its divisors is an integer number (11853270).

Almost surely, 2^47390479 is an apocalyptic number.

47390479 is a deficient number, since it is larger than the sum of its proper divisors (22601).

47390479 is a wasteful number, since it uses less digits than its factorization.

47390479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47390479 is about 6884.0743023300. The cubic root of 47390479 is about 361.8792649064.

The spelling of 47390479 in words is "forty-seven million, three hundred ninety thousand, four hundred seventy-nine".